feat(generators): update writing() to copy .env.example .env file

Author: phatpham9

generators/app/index.js

@@ -72,6 +72,11 @@ module.exports = class extends Generator {
       this.destinationPath(),
       this.props,
     );
+
+    this.fs.copy(
+      this.destinationPath('.env.example'),
+      this.destinationPath('.env'),
+    );
   }
 
   install() {

generators/app/templates/src/components/index.ts

@@ -9,7 +9,7 @@ interface RouteOptions {
 
 const path = '/';
 
-const routes = (_: RouteOptions) => {
+const routes = (_: RouteOptions): Router => {
   const router = Router();
 
   // TODO: register components to router